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Finding the Fourth Proportional to 261,950.92, 361,535.94 and 154,547.56

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Solution

The fourth proportional to 261,950.92, 361,535.94 and 154,547.56 is: 213,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,950.92 : 361,535.94 = 154,547.56 : x
  2. Step 2: Convert to fraction form
    261,950.92/361,535.94 = 154,547.56/x
  3. Step 3: Cross multiply
    261,950.92x = 361,535.94 × 154,547.56
  4. Step 4: Simplify right side
    261,950.92x = 55,874,497,379.31
  5. Step 5: Solve for x
    x = 55,874,497,379.31/261,950.92
  6. Step 6: Final answer
    x = 213,301.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.